5/16in ARP Polished Stainless Steel 12-pt Nut Kit

5/16in ARP Polished Stainless Steel 12-pt Nut KitAvailable in a variety of sizes to suit your needs, all ARP 12 point nuts are constructed from 8740 chrome moly steel or ARP Stainless, and meet ARPs highest standards of quality. Rated at 180,000 psi tensile strength, ARP 12 point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with limited space requirements. All 8740 chrome moly steel nuts are black oxide finished and all ARP

All of them are substantially better than the stock OEM and most aftermarket bolts

The studs are sold in 4 or 5 packs and are cadmium plated for extra durability

This eliminates the thread “movement” common to others

(inside diameter) chamfers

Because ARP studs are manufactured to suchexacting tolerances

or using a spacer for clearance

To provide you with required reliability and improved performance

the compact 12-point nut lets you easily slip a socket close to the pipe

including use of a premium grade chrome moly alloy

delivers a material with superior fatigue characteristics and typically tensile strength in the 260

Added features include oversized bolt head flange for cam button retention and reduced socket head size to facilitate easy installation and removal

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate theneed for valve train removal during cylinder head retorquing